Az-Zahir

az-Zahir (1175-11 July 1226) was the Abbasid Caliph from 5 October 1225 to 10 July 1226, succeeding al-Nasir and preceding al-Mustansir I.

Biography
az-Zahir was the son of Caliph al-Nasir, and he became Caliph in 1225. During his short reign, he lowered taxes and built a strong army to resist invasions, but he died nine months into his reign.